Упражнение 2 
1 has finished 
2 has scored 
3 have watched 
4 has run 
5 has bought 
6 have lost 
7 has written 
8 have eaten 
9 have watched 
10 have started
11 has studied 
12 has dropped 
13 has  rained 
18 has lived 

Упражнение 3
1 haven't cleaned 
2 haven't started 
3 haven't done
4 hasn't won 
5 haven't seen 
6 haven't invited 
7 hasn't washed 
8 haven't tidied 
9 haven't finished 
10 haven't visited 
11 haven't seen 
12 hasn't taken 
13 hasn't played